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STS-114 MCC Status Report #08


STS-114 MCC Status Report #08
Friday, July 29, 2005 – 11:45 p.m. CDT
Mission Control Center, Houston, Texas

Astronauts Soichi Noguchi and Steve Robinson will step outside for their 
first spacewalk, and the first of this mission, early Saturday. The six 
and a half hour spacewalk is scheduled to begin from Discovery’s airlock 
at 3:44 a.m. CDT.(0844 utc)

Discovery’s crew was awakened at 10:43 p.m. CDT by the Japanese song 
“Sanpo,“ sung by a group of children, including Noguchi’s. The Station 
crew was awakened at 11:09 p.m. CDT by a tone onboard.

Noguchi and Robinson’s spacewalk preparations, including a pure oxygen 
pre-breathe and exercise procedure, will get underway at 12:39 a.m. CDT, 
with Intravehicular (IV) crewmember Andy Thomas’ assistance. The 
procedure will purge the spacewalkers’ blood of nitrogen to prevent the 
painful symptoms of “the bends” while wearing their low-pressure 

About the same time, Station Commander Sergei Krikalev and NASA Science 
Officer John Phillips will maneuver the Station’s robotic arm into a 
position to support the spacewalk. At 12:55 a.m. CDT the pair will “walk 
off” Canadarm2 from the Mobile Base System to the Destiny lab and change 
its operating base. The arm will be operated by Shuttle Pilot Jim Kelly 
and Mission Specialist Wendy Lawrence during the spacewalk to help 
install the External Stowage Platform-2 (ESP-2) Attachment Device 
(ESPAD) onto Station.

After the excursion begins and the spacewalkers have completed about an 
hour of tool setup, the first task is to test thermal protection system 
repair techniques. Noguchi and Robinson will work side-by-side in 
Discovery’s cargo bay at a pallet of purposely damaged orbiter heat 
shield samples. They will practice the Emittance Wash Applicator (EWA) 
repair of tile samples and the NOAX (Non-Oxide Adhesive eXperimental) 
repair of Reinforced Carbon-Carbon samples.

After the testing is complete, the pair will move on to their Station 
assembly tasks. They will install the ESPAD and associated cabling on 
the Station’s Quest airlock so that the ESP-2 can be installed on top 
during the third spacewalk.

Next, Noguchi will replace a Global Positioning System (GPS) antenna on 
the Station’s truss structure. At the same time, Robinson will retrieve 
tools for the second spacewalk’s Control Moment Gyroscope-1 replacement 
and swap connectors to restore power to the Station’s CMG-2. The last 
job will be for both crewmembers to route cabling for the ESP-2 
installation on the third spacewalk.

Once the spacewalk has begun and the Station’s airlock’s hatch is opened 
as an emergency door, the hatches between Discovery and Station will be 
re-opened so the crews can work together to support the spacewalk and 
continue transfer work. Commander Eileen Collins, Mission Specialist 
Charlie Camarda, Krikalev, Phillips and Lawrence will continue 
transferring water and other equipment to the Station from Discovery and 
the Raffaello cargo module. The hatches will be closed before the end of 
the spacewalk again to allow the crew to re-enter the Shuttle airlock. 
Once the crew is inside and the Shuttle’s airlock is repressurized, the 
hatches will be re-opened.

At 8:09 a.m. CDT, Kelly and Camarda are scheduled to perform additional 
surveys of Discovery’s wing leading edge Reinforced Carbon-Carbon with 
the Shuttle arm and Orbiter Boom Sensor System. They will use the 
sensors to focus on seven areas of interest along the port wing.

The crews of Discovery and the Station are scheduled to go to sleep 
about 2:39 p.m. CDT.(1939 UTC)

The next STS-114 mission status report will be issued Saturday 
afternoon, or earlier, if events warrant.

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